<ul>
  <%for volume in @volumes%>
    <li>
      Volume <%= volume.volume_number%>
      
      <%for issue in volume.issues%>
            <ul>
            <%if issue.show?( Time.now() )%>
            <%=link_to_issue( 'Issue '+issue.issue_number.to_s + ', ' + issue.date_published.strftime(" %B-%d-%Y ")  , issue)%>
            <%end%>
            </ul>
      <%end%>
    </li>
  <%end%>
</ul>